USS TUCSON
SSN 770
  
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The Tucson (SSN 770) is the second ship of the U.S. Navy to bear the name of this Arizona city. She is the 20th of the Los Angeles-Improved class attack submarine to be built. Her construction began on June 10, 1988, and her keel was laid down on September 20, 1991. She was christened on March 19, 1994, by Ms. Diane C. Kent, wife of The Honorable Gerald A. Cann, former Assistant Secretary of the Navy for Research, Development and Acquisition.

The Tucson was supposed to be commissioned on August 18, 1995, however, Hurricane Felix threatened the Virginia coast, and the U.S. Navy decided to sortie the fleet, to prevent damage to ships in port if the hurricane made landfall. She was the last ship to leave port, in case the prediction for landfall changed. As it turned out, the hurricane never did make landfall, but the Tucson was at sea on 18th. Upon returning to port, the commissioning ceremony was quickly rescheduled for Sept. 19. The CO, Cmdr. Duane M. Baker, declared that for the next two hours, it was officially August 18th.

July 9, 2003 The U.S. Navy’s new Tomahawk cruise missile, the Block IV, or Tactical Tomahawk, was launched from the nuclear-powered submarine SSN 770 in the waters of the Naval Air Systems Command (NAVAIR) sea test range off the coast of southern California. The event marked the first launch of the Tactical Tomahawk from an operational submarine launch platform. The missile will become operational in the middle of 2004.

July 20, The Tactical Tomahawk, configured with a live warhead, was launched from USS Tucson in the waters of the Naval Air Systems Command (NAVAIR) sea test range off the coast of southern California. The event marked the missile’s first live warhead shot from a submarine and the second launch of the Tactical Tomahawk from the Tucson using the new submarine Combat Control System (CCS MK 2).

May 19, 2004 USS Tucson departed homeport for a scheduled western Pacific deployment.

November 19, SSN 770 returned to Naval Station Pearl Harbor after a six-month underway period.

October 11, 2005 The Los Angeles-Improved class attack submarine departed home to participate in a Combined Training Unit Exercise (COMPTUEX) off the coast of southern California. For approximately three weeks, the crew will conduct various Anti-Submarine Warfare (ASW), and Intelligence, Surveillance, and Reconnaissance (ISR) exercises as a part of the USS Ronald Reagan (CVN 76) Carrier Strike Group.

March 21, 2006 USS Tucson departed Pearl Harbor for a western Pacific deployment.

March 30, SSN 770 arrived in Yokosuka, Japan, for a scheduled port visit.

September 21, USS Tucson, commanded by Cmdr. Jimmy Pitts, returned to Pearl Harbor after six-month deployment. She visited Sasebo and Yokosuka, Japan; Saipan and Guam. In June, the ship participated in Exercise Valiant Shield 2006 near Guam, providing anti-submarine warfare training to three aircraft carrier strike groups. It also participated in a bilateral exercise with the Royal Australian Navy, submarine HMAS Farncomb.

September 29, Cmdr. Paul D. Spear relieved Cmdr. James E. Pitts as CO of USS Tucson during a change-of-command ceremony held aboard the sub at Pearl Harbor Naval Station.

January 25, 2007 SSN 770 departed homeport for a Depot Modernization Period in Norfolk Naval Shipyard at Portsmouth, Virginia.

December 15, 2008 USS Tucson returned to Pearl Harbor after completing a DMP in NNSY.

February 27, 2009 Cmdr. Gary W. Pinkerton relieved Cmdr. Paul D. Spear as commanding officer of the Tucson.

April 8, 2010 USS Tucson departed Joint Base Pearl Harbor-Hickam for a scheduled western Pacific deployment.

April 27, The Tucson moored at Berth 13S, Fleet Activities Yokosuka, Japan, for a three-day port call. Inport Yokosuka again from May 24-2?.

July 13, The nuclear-powered submarine moored at Akasaki Pier in Fleet Activities Sasebo, Japan, for a week-long upkeep. Brief stop in Sasebo on July 23.

July 26, The Tucson is currently participating in a combined alliance maritime and air readiness exercise Invincible Spirit, in the seas east of the Korean peninsula from July 25-28, along with the George Washington (CVN 73) CSG.

October 8, USS Tucson returned to homeport after a six-month underway period in the U.S. 7th Fleet AoR.

March 25, 2011 Cmdr. James E. O'Harrah relieved Cmdr. Gary W. Pinkerton as CO of SSN 770 during a change-of-command ceremony at Pearl Harbor.

December 14, USS Tucson departed Pearl Harbor for a scheduled western Pacific deployment.

February 6, The Tucson made a brief stop at White Beach, Okinawa, for personnel transfer. Upkeep in Sasebo, Japan, from Feb. 10-17; Brief stops in Sasebo on Feb. 21, 24 and 27th.

March 30, SSN 770 pulled into Apra Harbor, Guam, for a brief port call.

April 14, The Los Angeles-Improved class attack submarine is currently participating in a bi-lateral exercise Malabar 2012, in the Bay of Bengal.

May 31, USS Tucson moored outboard the USS Emory S. Land (AS 39) in Apra Harbor, Guam, for a routine port call.

June 14, USS Tucson returned to Joint Base Pearl Harbor-Hickam after a six-month deployment. The ship also made port call to Saipan.

September 5, 2013 USS Tucson departed homeport for a scheduled western Pacific deployment.

November 12, SSN 770 moored at Berth 1 in Busan Naval Base, Republic of Korea, for a routine port call. Brief stop at Sasebo, Japan, on Nov. 22; Inport Sasebo again from Nov. 26- Dec. 4; Brief stop at Okinawa for personnel transfer on Jan. 3.

January 10, 2014 The Tucson moored outboard the USS City of Corpus Christi (SSN 705) at Berth 13, Fleet Activities Yokosuka, Japan, for a five-day port call. Inport Changi Naval Base in Singapore from Jan. 24-28; Brief stop at Okinawa on Feb. 10 and 17th.

March 7, USS Tucson returned to Pearl Harbor after a six-month deployment.

April 10, Cmdr. Michael C. Beckette relieved Cmdr. James E. O'Harrah as CO of the Tucson during a change-of-command ceremony on board the sub at Joint Base Pearl Harbor-Hickam.

February 4, 2015 The Tucson returned to homeport from local operations for a brief stop to conduct personnel transfer; Underway again on Feb. 25.

June 12, The Los Angeles-Improved class submarine returned to Pearl Harbor after underway for routine training.?

November 1?, USS Tucson departed Pearl Harbor for a scheduled western Pacific deployment.

December 6, The Tucson moored outboard the USS Emory S. Land at Alava Pier in Subic Bay, Philippines, for a three-day Fleet Maintenance Availability (FMAV).

January 21, 2016 USS Tucson moored at Berth 5, Changi Naval Base in Singapore for a week-long port visit.

February 8, SSN 770 moored at Akasaki Pier in Fleet Activities Sasebo, Japan, for a five-day port call.

April 6, The Tucson moored at Somo Do Piers on Chinhae Naval Base, Republic of Korea, for a four-day port visit after supporting annual joint exercise Foal Eagle; Transited the Korean Strait southbound on April 16; Inport Sasebo again from April 17-21; Transited the Osumi Strait eastbound on April 22.

May 22, The Tucson made a brief stop in Pearl Harbor to embark Nuclear Propulsion Examination Board (NPEB) personal for Operational Reactor Safeguards Examination (ORSE).

May 24, USS Tucson moored at Pier S9 on Joint Base Pearl Harbor-Hickam following a six-month deployment.

July 8, The Tucson departed Pearl Harbor to participate in at-sea phase of a biennial multinational exercise Rim of the Pacific (RIMPAC) 2016; Brief stop in Pearl Harbor on July 10, July 19 and Aug. 3; Moored at Wharf Y2 on Aug. 5.

August 30, Cmdr. Chad A. Hardt relieved Cmdr. Michael C. Beckette as CO of the Tucson during a change-of-command ceremony on board the sub.

November 29, USS Tucson departed Wharf Y2 for sea trials following a four-month Selected Restricted Availability (SRA); Brief stop in Pearl Harbor for personnel transfer on Dec. 5 and 7th.